Mary River National Park
| Mary River National Park Northern Territory | |
|---|---|
| Nearest town or city | Humpty Doo |
| Coordinates | 12°42′S 131°43′E / 12.700°S 131.717°E |
| Established | 20 May 1966 |
| Area | 1,215.25 km2 (469.2 sq mi) |
| Visitation | 336,400 (in 2017) |
| Managing authorities | Parks and Wildlife Commission of the Northern Territory |
| Website | Mary River National Park |
| See also | Protected areas of the Northern Territory |
Mary River National Park is an Australian national park located about 100 kilometres (62 mi) east and stretching to the southeast of Darwin in the Northern Territory.